SDSS J232053.87+223306.0

All names: Gaia EDR3 2838283542189938432, SDSS J232053.87+223306.06, SDSS J232053.86+223306.0, SDSS J232053.87+223306.0, Gaia DR3 2838283542189938432, Gaia DR2 2838283542189938432

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 23 20 53.87 (2) 23 20 53.87 23 20 53.87 (1) 23 20 53.86 (1)
Declination 22 33 06.13 (1) 22 33 06.07 22 33 06.13 (1) 22 33 06.13 (1)
Spectral type DA DA DA
Effective temperature [K] 13424.0 10447.0 (157)
log(g) [cgs] 9.43 8.24 (0.2)
Mass [M] 1.342 0.585 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 1.4080
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 4.51 (2) 4.51 (2)
Distance [pc] 221.75 (88) 221.75 (88)
Composition H
Proper motion (right ascension) [mas/yr] 4.865333645 (4) 4.865 (4)
Proper motion (declination) [mas/yr] 0.055750951 (2) 0.056 (2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.52 (0.1) 21.49 (0.1) 21.49 (0.1)
g magnitude 20.89 (0.04) 20.90 (0.04) 20.90 (0.04)
r magnitude 20.85 (0.05) 20.86 (0.05) 20.86 (0.05)
i magnitude 20.84 (0.07) 20.86 (0.07) 20.86 (0.07)
z magnitude 21.72 (0.5) 21.61 (0.6)
G magnitude 20.80 (0.1) 20.91 20.80 (0.01)
BP magnitude 20.72 (0.1) 20.82
RP magnitude 20.35 (0.2) 21.03
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.027

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.